EASY 7TH GRADE MATH Which step could you use to start solving this system of equations?

2x + 5y = 1

8x + 4y = 16

Group of answer choices

subtract 5y-1 for x in 8x + 4y =16

multiply 2x + 5y = 1 by -4

multiply 2x + 5y= 1 by 4 and then add it to 8x + 4y =16

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Arecent study focused on the number of times men and women who live alone buy take-out dinner in a month. assume that the distributions follow the normal probability distribution and the population standard deviations are equal. the information is summarized below. statistic men women sample mean 24.85 21.33 sample standard deviation 5.54 4.93 sample size 34 36 at the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? state the decision rule for 0.01 significance level: h0: μmen= μwomen h1: μmen ≠ μwomen. (negative amounts should be indicated by a minus sign. round your answers to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? what is the p-value? (round your answer to 3 decimal places.)